. >> pakistan is about to pass france as the fifth greatest nuclear power in the world and they're on a hair trigger. there's no hot line between india and pakistan, only last week, diplomats from both countries meeting out at stanford university trying to talk about establishing a hotline. so unlike the cold war, there is no communication, they could have an accident. this time india has said in the past that they were restrained three years ago when it was proved that pakistan was behind the attack, they were restrained by the u.s., by the rest of the world, they did not retaliate. this time most likely they would. i was talking to a prominent indian diplomat saying he could not persuade his country to refrain. just tonight, the head of pakistani intelligence is meeting with the acting head of the cia here in the u.s. that was previously set up because of growing tension between the two countries, between us and pakistan, but this will be the number one topic now. >> a lot of pieces in play, a serious situation, glad to have you here, andrea mitchell, as always. >>> when we come bac